Frailty Syndrome

• Haukeland University Hospital — Bergen, Vestland, Norway
• Haukeland University Hospital — Bergen, Norway

• Keck Hospital of University of Southern California — Los Angeles, California, United States

• Universidad de Castilla-La Mancha, Laboratorio de Actividad Física y Función Muscular — Toledo, Spain

• Department of Nephrology Transplant Centre IKEM — Prague, Czechia

• Connie Frank Center for Kidney Transplantation at the University of California, San Francisco Medical Center — San Francisco, California, United States

• Faculty of Physical Education and Physiotherapy, Opole University of Technology — Opole, Poland

• Xijing Hospital — Xi'an, Shaanxi, China

Not specified

• Taipei Medical University — Taipei, Taiwan

• The University of Hong Kong — Hong Kong